CloseWebSession (open)
End a session, deleting any data stored for the session
Syntax
LOADLIB "mod::system/lib/webserver.whlib";
MACRO CloseWebSession(STRING sessid, STRING scope)
Parameters
STRING sessid
Session ID to close
STRING scope
Scope for session (must be unique for each CreateWebSession usage so users can't try to get other GetWebSessionData readers to use their calls)